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							- #import <iostream.h>
 
- #import <Cocoa/Cocoa.h>
 
- int main()
 
- {
 
-   NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
-    
 
-   NSMutableSet *mySet = [NSMutableSet set];
 
-   cout<<"Adding values to the set."<<endl;
 
-   [mySet addObject:[NSNumber numberWithInt:356]];
 
-   [mySet addObject:[NSNumber numberWithInt:550]];
 
-   [mySet addObject:[NSNumber numberWithInt:914]];
 
-   cout<<"The set contains "<<[mySet count]<<" objects."<<endl;
 
-   if ([mySet containsObject:[NSNumber numberWithInt:911]])
 
-     cout<<"It's there!"<<endl;
 
-   else
 
-     cout<<"It's not there."<<endl;
 
-   [pool release];
 
-   return 0;
 
- }
 
 
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